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  2. Agua de Salud - Wikipedia

    en.wikipedia.org/wiki/Agua_de_Salud

    Agua de Salud is a corregimiento in Ngäbe-Buglé Comarca in the Republic of Panama. [1] [2] References This page was last edited on 27 February 2023, at 16:34 (UTC). ...

  3. Relative density - Wikipedia

    en.wikipedia.org/wiki/Relative_density

    A United States Navy Aviation boatswain's mate tests the specific gravity of JP-5 fuel. Relative density, also called specific gravity, [1] [2] is a dimensionless quantity defined as the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.

  4. Density altitude - Wikipedia

    en.wikipedia.org/wiki/Density_altitude

    Density Altitude Computation Chart [1]. The density altitude is the altitude relative to standard atmospheric conditions at which the air density would be equal to the indicated air density at the place of observation.

  5. Seawater - Wikipedia

    en.wikipedia.org/wiki/Seawater

    Seawater, or sea water, is water from a sea or ocean.On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium (Na +

  6. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    As it is, the inversion of the density curve leads to a stable layering for surface temperatures below 4 °C, and with the layer of ice that floats on top insulating the water below, [40] even e.g., Lake Baikal in central Siberia freezes only to about 1 m thickness in winter. In general, for deep enough lakes, the temperature at the bottom ...

  7. Energy density - Wikipedia

    en.wikipedia.org/wiki/Energy_density

    When discussing the chemical energy contained, there are different types which can be quantified depending on the intended purpose. One is the theoretical total amount of thermodynamic work that can be derived from a system, at a given temperature and pressure imposed by the surroundings, called exergy.

  8. Density - Wikipedia

    en.wikipedia.org/wiki/Density

    Density (volumetric mass density or specific mass) is a substance's mass per unit of volume.The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used.

  9. Density of air - Wikipedia

    en.wikipedia.org/wiki/Density_of_air

    Which gives H n = 10.4 km. Note that for different gasses, the value of H n differs, according to the molar mass M : It is 10.9 for nitrogen, 9.2 for oxygen and 6.3 for carbon dioxide . The theoretical value for water vapor is 19.6, but due to vapor condensation the water vapor density dependence is highly variable and is not well approximated ...